Arun V G [https://community.jboss.org/people/arunvg] created the discussion "Re: How to reject/Stop/cancel the process instance" To view the discussion, visit: https://community.jboss.org/message/717106#717106 -------------------------------------------------------------- Try the below method  if  what you want is to abort a process org.drools.runtime.StatefulKnowledgeSession.*abortProcessInstance*(long processInstanceId) Documentation says : *Aborts the process instance with the given id.  If the process instance has been completed (or aborted), or the process instance cannot be found, this method will throw an IllegalArgumentException.* -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/717106#717106] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]